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範例:粗糙斜面

置箱於木板上逐漸抬高木板的一端,當傾斜角37°時,此箱即開始下滑,並測得其下滑的加速度為g/5 (a)則箱與木板間的靜摩擦係數μs與動摩擦係數μk之比值μs/μk為何?  (b)若繼續將木板一端抬高到傾斜角為53°,則箱下滑的加速度應為何?


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Posted in 牛頓第二運動定律.

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By admin – 2008 年 12 月 05 日

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